switch testing to tmt

In upstream version 25.12+ tmt metadata has been added for the tests.

Resolves: RHEL-136932

.fmf/version

@@ -0,0 +1 @@
+1

plans.fmf

@@ -0,0 +1,10 @@
+summary: run tests from distgit tarball
+prepare:
+  how: install
+  package:
+    - edk2-ovmf
+discover:
+  how: fmf
+  dist-git-source: true
+execute:
+  how: tmt

tests/tests.yml

@@ -1,18 +0,0 @@
-- hosts: localhost
-  roles:
-  - role: standard-test-basic
-    tags:
-    - classic
-    tests:
-    - virt-fw-dump:
-        run: /usr/share/python-virt-firmware/tests/test-dump.sh
-    - virt-fw-vars:
-        run: /usr/share/python-virt-firmware/tests/test-vars.sh
-    - virt-fw-sigdb:
-        run: /usr/share/python-virt-firmware/tests/test-sigdb.sh
-    - virt-pe-utils:
-        run: /usr/share/python-virt-firmware/tests/test-pe.sh
-    - kernel-bootcfg:
-        run: /usr/share/python-virt-firmware/tests/test-bootcfg.sh
-    - python-unittest:
-        run: python3 /usr/share/python-virt-firmware/tests/tests.py